- (obsolete) Variable.
- Showing deviation or disagreement.
- Showing variety, diverse.
- (genetics) A different sequence of a gene (locus).
- Something that is slightly different from a type or norm.
"The word "kerosine" is a variant of “kerosene”."
- (computing) A variable that can hold any of various unrelated data types.
"All breeds of dog are variants of the species “Canis lupus familiaris”."